NAVSEA REVIEWED ASTM F-718. If this product is to be applied as part of a coating system, all components of the system must be as listed on the QPL.

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1 ASTM F-718 International Paint LLC Intertuf 6, Two Pack Anticorrosive Epoxy Primer PRODUCT DESIGNATIONS Part A: KH Series Part B: KHA6 MIL-PRF-336 MIL-PRF-67 If this product is to be applied as part of a coating system, all components of the system must be as listed on the QPL. This NAVSEA-REVIEWED ASTM F-718 data sheet is the only data sheet approved for use when utilizing this coating for U.S. Navy preservation projects. NAVSEA s review covers only the application process for the material. The review does not denote the material as a qualified product, nor does it constitute an approval for purchase/procurement of the material. For products on the Qualified Products List (QPL) for this MILSPEC, please refer to Questions regarding modifications or updates of this ASTM F-718 shall be directed toward: NSWCPD NSWCPD_ASTM_F718.fct@navy.mil NAVSEA Reviewed: 6 November 17

2 I. GENERIC TYPE AND DESCRIPTION: Intertuf 6, two pack anticorrosive epoxy primer Specification Number: MIL-PRF-336, MIL-PRF-67 II. MANUFACTURERS DATA: (a) MANUFACTURER: International Paint LLC, 61 Antoine Drive, Houston, TX 7791 (b) (c) (e) (f) PRODUCT DESIGNATION: Part A: KH Series Part B: KHA6 COLOR(S): Range of Colors USES: Wet Spaces, Ballast Tanks, Fuel Tanks, Bilges, Plenums, Machinery Spaces, and interior and exterior areas above and below waterline TECHNICAL SERVICE REPRESENTATIVE (Include Telephone Numbers): (or contact your local International Paint representative) NOT INTENDED FOR USE IN: Potable Water III. PROPERTIES: (a) PERCENT VOLUME SOLIDS (ASTM D697): 73%± % (b) PERCENT WEIGHT SOLIDS (ASTM D369): 76% ± 3% (c) FLASH POINT (ASTM D378): Part A 11 F, Part B 13 F, Mixed 13 F (e) WEIGHT PER VOLUME (ASTM D175): Part A: lbs/gal Part B: lbs/gal, Mixed: lbs/gal PERCENT EDGE RETENTION (IF REQUIRED BY APPLICABLE SPECIFICATION LIST TEST METHOD USED): N/A (f) SHELF LIFE: months (Part A and Part B) (g) VISCOSITY (STATE TEST METHOD USED): PART A: 6-1 poise (ASTM 77 F (h) PART B: 5 75 KU (ASTM 77 F MIXED: 8 1 KU (ASTM 77 F PACKAGING: Part A: gal in a 5 gal container; Part B 1 gal in a 1 gal container (i) NUMBER OF COMPONENTS: (j) GLOSS (ASTM D53): 5 gloss units (6 ) (k) STORAGE REQUIREMENTS: TEMPERATURE 5 F MIN. 1 F MAX. ADDITIONAL PAINT STORAGE REQUIREMENTS: Refer to NAVSEA Standard Item 9-3 (l) VOLATILE ORGANIC COMPOUNDS (VOCS- EPA TEST METHOD ): 3 g/lt,.67lbs/gal (m) WEIGHT PER AREA OF DRY FILM AT 1 MIL THICKNESS:.7 lb/sqft (n) SPECIAL PROPERTIES: Surface Tolerant NST Center ID#: Page 1 of 6

3 (a) (b) IV. SURFACE PREPARATION MINIMUM REQUIREMENTS: INITIAL: Abrasive Blast to SSPC SP1 or Hydroblasting to SSPC SP WJ- L or M. Follow surface prep as per 9-3 for the specified area. TOUCH-UP: Ensure the area is clean and dry. Power tool clean to SSPC-SP11, or spot blast to SSPC-SP1, or hydroblast to SSPC-SP WJ-L or M (c) PROFILE (INCLUDE METHOD USED): mils MIN. mils MAX. (Profilometer Gauge or Testex Replica Tape) SPECIAL INSTRUCTIONS: Profile - mils recommended, up to 6 mil profile acceptable. Follow NAVSEA STD ITM 9-3 guidelines (e) PRIMER REQUIREMENTS: Not Required. This product can be applied directly over intact Interplate 937, Interplate 997, Interplate Zero, or Intergard 9 shop primers which has been cleaned to SSPC-SP1 standard, except in areas receiving nonskid or those described in 9-3. (f) MAXIMUM ALLOWABLE CONDUCTIVITY (ISO 85-6): 1 μg/cm² for immersed and non-immersed areas (g) MAXIMUM DEGREE OF FLASH RUSTING ALLOWED: SSPC-SP WJ-L & M. V. MIXING PROCEDURES: (a) (b) (c) MIXING RATIOS BY WEIGHT: N/A BY VOLUME: :1 (A:B) SPECIAL SAFETY PRECAUTIONS: PLEASE REFER TO MATERIAL SAFETY DATA SHEET INDUCTION TIME: 3 minutes at temperatures below 7 F. No induction time required for temperatures >7 F RECOMMENDED CLEANING SOLVENT (NO THINNING ALLOWED): GTA15 or GTA POT LIFE: 1 5 F 1 59 F 8 77 F 95 F (e) SPECIAL INSTRUCTIONS: Pre-mix Part A one minute using appropriate drill and Jiffy blade or equivalent suitable for a 5 gallon container. Empty Part B into Part A and mix three minutes using appropriate drill and Jiffy blade or equivalent suitable for a 5 gallon container VI. APPLICATION: (a) ENVIRONMENTAL LIMITATIONS: SUBSTRATE TEMPERATURE: 5 F MIN. 13 F MAX. AMBIENT TEMPERATURE: 55 F MIN. 1 F MAX. MINIMUM SUBSTRATE TEMPERATURE DIFFERENCE ABOVE THE DEW POINT: 5 F MAXIMUM PERCENT RELATIVE HUMIDITY: Refer to NAVSEA Standard item 9-3 (b) FILM THICKNESS (SSPC PA-73T) - PER COAT: WET MIN. 5.5 mils WET MAX. 15 mils DRY MIN.. mils DRY MAX. 1.9 mils TOTAL SYSTEM: Max total system not to exceed mils DFT NST Center ID#: Page of 6

4 (c) DRY TIMES (ASTM D16): See below Graphs Time (hours) Intertuf 6 Touch Dry NST Center ID#: Page 3 of 6

5 Time (hours) Time (hours) Intertuf 6 Minimum recoat with Self Intertuf 6 Dry Hard NST Center ID#: Page of 6

6 Time (days) Time (months) 3 1 Intertuf 6 Maximum Recoat with Self Intertuf 6 Immersion NST Center ID#: Page 5 of 6

7 (e) EQUIPMENT REQUIREMENTS: Airless Spray recommended. Brush and roll acceptable for small areas only SPECIAL INSTRUCTIONS: When overcoating with antifoulings, the first coat of antifouling must be applied while this product is still thumb print tacky. PROVIDE INFORMATION FOR REPAIR PROCEDURES IF THE OVERCOAT WINDOW HAS BEEN EXCEEDED: Clean surface of coating per SSPC-SP 1, aggressively abrade surface with 8 grit sandpaper or equivalent to promote adhesion, clean surface to SSPC-SP 1 again. ADDITIONAL DATA/INSTRUCTIONS: II. MANUFACTURERS DATA: III. PROPERTIES: IV. SURFACE PREPARATION MINIMUM REQUIREMENTS: Cleaning via UHP-WJ does not create an anchor tooth profile. Additional blasting may be necessary to create an acceptable specified profile prior to application of approved primer In non-immersed non-critical interior spaces clean dry surfaces of aged MIL-DTL-1 may be over coated with Intertuf 6 with no mechanical secondary surface preparation required, consult your International Paint representative for specific guidance. V. MIXING PROCEDURES: VI. APPLICATION REQUIREMENTS: Ultra violet light may cause color variations if Intertuf 6 is used as a finish coat. Intergard 6 can be applied over Intertuf 6. Follow Intertuf 6 Self-self overcoat intervals. Dry times are normally a function of humidity, ventilation and temperature. Information given is to be used as a guideline only. The technical data given herein has been compiled for your assistance and guidance. It is based upon our experience and knowledge. However, as we have no control over the use to which this information is put, no warranty, expressed or implied, is intended or given. NST Center ID#: Page 6 of 6